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EVM430-FR6043: 请教,超声波燃气表方案

Part Number: EVM430-FR6043

请教,这个方案供电电压范围是多少呢?

如果电压变化,会影响测量结果吗?

比如,3.3V电压供电,然后调整好USS参数,然后电压降到2.6V会影响到测量吗?

有解决办法吗?